// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/arguments-inl.h"
#include "src/counters.h"
#include "src/heap/heap-inl.h" // For ToBoolean. TODO(jkummerow): Drop.
#include "src/isolate-inl.h"
#include "src/objects-inl.h"
#include "src/runtime/runtime-utils.h"
#include "src/string-builder-inl.h"

namespace v8 {
namespace internal {

    RUNTIME_FUNCTION(Runtime_CreatePrivateSymbol)
    {
        HandleScope scope(isolate);
        DCHECK_GE(1, args.length());
        Handle<Symbol> symbol = isolate->factory()->NewPrivateSymbol();
        if (args.length() == 1) {
            CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
            CHECK(name->IsString() || name->IsUndefined(isolate));
            if (name->IsString())
                symbol->set_name(*name);
        }
        return *symbol;
    }

    RUNTIME_FUNCTION(Runtime_CreatePrivateNameSymbol)
    {
        HandleScope scope(isolate);
        DCHECK_EQ(1, args.length());
        CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
        Handle<Symbol> symbol = isolate->factory()->NewPrivateNameSymbol(name);
        return *symbol;
    }

    RUNTIME_FUNCTION(Runtime_SymbolDescriptiveString)
    {
        HandleScope scope(isolate);
        DCHECK_EQ(1, args.length());
        CONVERT_ARG_HANDLE_CHECKED(Symbol, symbol, 0);
        IncrementalStringBuilder builder(isolate);
        builder.AppendCString("Symbol(");
        if (symbol->name()->IsString()) {
            builder.AppendString(handle(String::cast(symbol->name()), isolate));
        }
        builder.AppendCharacter(')');
        RETURN_RESULT_OR_FAILURE(isolate, builder.Finish());
    }

    RUNTIME_FUNCTION(Runtime_SymbolIsPrivate)
    {
        SealHandleScope shs(isolate);
        DCHECK_EQ(1, args.length());
        CONVERT_ARG_CHECKED(Symbol, symbol, 0);
        return isolate->heap()->ToBoolean(symbol->is_private());
    }
} // namespace internal
} // namespace v8
